Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
(A) e
(B) 2e
(C) 3e
(D) 4e
Treatment of sucrose with conc. HNO3 gives__________?
(A) Nitrosucrose
(B) Glucose+ fructose
(C) Oxalic acid
(D) Laevulinic acid
The systematic name of sucrose is_______?
(A) 1-α-D- glucopyranosyl-2-β-D-fructopyranoside
(B) 11-α-D-glucopyranosyl-2-β-D-fructofuranoside
(C) 1-α-D- glucofuranosyl-2-α-D- fructopyranoside
(D) 1-β- D- glucofuranosyl-2-α- D- fructofuranoside
The hybridization of nitrogen atom in pyridine is_______?
(A) Sp
(B) Sp2
(C) Sp3
(D) It is not hybridized
Following are the anions of soap which form Ca and Mg ions which we see as curd in water
(A) Sodium hexadecanoate
(B) Sodium octadecanoate
(C) Sodium pentadecanoate
(D) Both A & B
The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
(A) 0.065gm
(B) 0.65gm
(C) 6.5gm
(D) 7.5gm
The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
(A) 0.12g
(B) 0.16g
(C) 0.18g
(D) 0.24g